This is incredible.
Use the same CPU / GPU power to do 2 awesome things:
1- Miner for your coins, helping the network;
2- Break RSA.
Create more interest in add more power to the network!
Newbie question: It is possible to migrate the actual blockchain to this new version or, it is required a new genesis?!
In fact, I just don't know when it is needed a new blockchain genesis to implement a entirely new feature. Like yours?! Instead of making the "RSA-coin blockchain"...
Adding this feature  to Bitcoin itself.